4165426349 has 18 divisors (see below), whose sum is σ = 4867947630. Its totient is φ = 3553895856.

The previous prime is 4165426319. The next prime is 4165426351. The reversal of 4165426349 is 9436245614.

It can be written as a sum of positive squares in only one way, i.e., 4151869225 + 13557124 = 64435^2 + 3682^2 .

It is not a de Polignac number, because 4165426349 - 2⁸ = 4165426093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4165426319) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3388667 + ... + 3389895.

It is an arithmetic number, because the mean of its divisors is an integer number (270441535).

Almost surely, 2^4165426349 is an apocalyptic number.

4165426349 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4165426349 is a deficient number, since it is larger than the sum of its proper divisors (702521281).

4165426349 is an equidigital number, since it uses as much as digits as its factorization.

4165426349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1499 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 4165426349 is about 64540.1142623717. The cubic root of 4165426349 is about 1608.9892900248.

The spelling of 4165426349 in words is "four billion, one hundred sixty-five million, four hundred twenty-six thousand, three hundred forty-nine".